222994960 has 40 divisors (see below), whose sum is σ = 519370776. Its totient is φ = 89041920.

The previous prime is 222994957. The next prime is 222994969. The reversal of 222994960 is 69499222.

It can be written as a sum of positive squares in 4 ways, for example, as 92852496 + 130142464 = 9636^2 + 11408^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (222994969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50772 + ... + 54988.

Almost surely, 2^222994960 is an apocalyptic number.

222994960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222994960 is an abundant number, since it is smaller than the sum of its proper divisors (296375816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222994960 is a wasteful number, since it uses less digits than its factorization.

222994960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4891 (or 4885 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 222994960 is about 14933.0157704330. The cubic root of 222994960 is about 606.4081309260.

The spelling of 222994960 in words is "two hundred twenty-two million, nine hundred ninety-four thousand, nine hundred sixty".